/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/03-assert.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 23:36:26,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 23:36:26,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 23:36:26,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 23:36:26,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 23:36:26,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 23:36:26,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 23:36:26,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 23:36:26,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 23:36:26,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 23:36:26,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 23:36:26,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 23:36:26,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 23:36:26,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 23:36:26,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 23:36:26,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 23:36:26,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 23:36:26,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 23:36:26,338 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 23:36:26,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 23:36:26,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 23:36:26,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-06-16 23:36:26,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 23:36:26,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 23:36:26,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 23:36:26,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-06-16 23:36:26,367 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 23:36:26,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 23:36:26,368 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 23:36:26,368 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 23:36:26,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 23:36:26,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 23:36:26,369 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 23:36:26,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 23:36:26,370 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 23:36:26,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 23:36:26,370 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 23:36:26,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 23:36:26,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 23:36:26,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 23:36:26,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 23:36:26,371 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 23:36:26,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 23:36:26,371 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 23:36:26,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 23:36:26,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 23:36:26,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 23:36:26,371 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 23:36:26,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 23:36:26,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 23:36:26,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 23:36:26,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 23:36:26,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 23:36:26,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 23:36:26,372 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-16 23:36:26,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 23:36:26,373 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 23:36:26,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 23:36:26,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 23:36:26,373 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 23:36:26,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-16 23:36:26,373 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 23:36:26,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 23:36:26,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 23:36:26,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 23:36:26,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 23:36:26,711 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 23:36:26,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/03-assert.c [2021-06-16 23:36:26,761 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d7f63def/e06fd20f0e754a4f9d76d8ffef9d17bf/FLAGf2ce8be92 [2021-06-16 23:36:27,194 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 23:36:27,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/03-assert.c [2021-06-16 23:36:27,195 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 23:36:27,228 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d7f63def/e06fd20f0e754a4f9d76d8ffef9d17bf/FLAGf2ce8be92 [2021-06-16 23:36:27,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d7f63def/e06fd20f0e754a4f9d76d8ffef9d17bf [2021-06-16 23:36:27,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 23:36:27,613 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 23:36:27,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 23:36:27,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 23:36:27,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 23:36:27,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 11:36:27" (1/1) ... [2021-06-16 23:36:27,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68138846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:36:27, skipping insertion in model container [2021-06-16 23:36:27,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 11:36:27" (1/1) ... [2021-06-16 23:36:27,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 23:36:27,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 23:36:27,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 23:36:27,804 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 23:36:27,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 23:36:27,824 INFO L208 MainTranslator]: Completed translation [2021-06-16 23:36:27,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:36:27 WrapperNode [2021-06-16 23:36:27,825 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 23:36:27,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 23:36:27,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 23:36:27,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 23:36:27,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:36:27" (1/1) ... [2021-06-16 23:36:27,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:36:27" (1/1) ... [2021-06-16 23:36:27,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 23:36:27,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 23:36:27,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 23:36:27,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 23:36:27,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:36:27" (1/1) ... [2021-06-16 23:36:27,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:36:27" (1/1) ... [2021-06-16 23:36:27,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:36:27" (1/1) ... [2021-06-16 23:36:27,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:36:27" (1/1) ... [2021-06-16 23:36:27,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:36:27" (1/1) ... [2021-06-16 23:36:27,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:36:27" (1/1) ... [2021-06-16 23:36:27,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:36:27" (1/1) ... [2021-06-16 23:36:27,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 23:36:27,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 23:36:27,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 23:36:27,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 23:36:27,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:36:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 23:36:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 23:36:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 23:36:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 23:36:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-16 23:36:27,939 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-16 23:36:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 23:36:27,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 23:36:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 23:36:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 23:36:27,942 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 23:36:28,130 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 23:36:28,130 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-16 23:36:28,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 11:36:28 BoogieIcfgContainer [2021-06-16 23:36:28,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 23:36:28,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 23:36:28,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 23:36:28,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 23:36:28,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 11:36:27" (1/3) ... [2021-06-16 23:36:28,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255eac81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 11:36:28, skipping insertion in model container [2021-06-16 23:36:28,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 11:36:27" (2/3) ... [2021-06-16 23:36:28,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@255eac81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 11:36:28, skipping insertion in model container [2021-06-16 23:36:28,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 11:36:28" (3/3) ... [2021-06-16 23:36:28,138 INFO L111 eAbstractionObserver]: Analyzing ICFG 03-assert.c [2021-06-16 23:36:28,142 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 23:36:28,142 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 23:36:28,142 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-16 23:36:28,143 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 23:36:28,171 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,172 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,172 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,172 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,172 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,172 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,172 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,173 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,173 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,173 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,173 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,173 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,175 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,175 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,175 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,175 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 23:36:28,177 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 23:36:28,194 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-16 23:36:28,271 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 23:36:28,271 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 23:36:28,271 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 23:36:28,272 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 23:36:28,272 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 23:36:28,272 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 23:36:28,272 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 23:36:28,272 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 23:36:28,313 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT]=== [2021-06-16 23:36:28,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 23:36:28,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1441750503, now seen corresponding path program 1 times [2021-06-16 23:36:28,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 23:36:28,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51341988] [2021-06-16 23:36:28,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 23:36:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 23:36:28,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 23:36:28,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 23:36:28,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51341988] [2021-06-16 23:36:28,486 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51341988] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 23:36:28,486 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 23:36:28,486 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-16 23:36:28,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281922993] [2021-06-16 23:36:28,491 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-16 23:36:28,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 23:36:28,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-16 23:36:28,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-16 23:36:28,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:28,511 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 23:36:28,513 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 1 states have (on average 17.0) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 23:36:28,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:28,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 23:36:28,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 23:36:28,603 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 23:36:28,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 11:36:28 BasicIcfg [2021-06-16 23:36:28,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 23:36:28,606 INFO L168 Benchmark]: Toolchain (without parser) took 992.28 ms. Allocated memory is still 187.7 MB. Free memory was 149.6 MB in the beginning and 132.5 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB. [2021-06-16 23:36:28,606 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 187.7 MB. Free memory is still 168.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 23:36:28,607 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.66 ms. Allocated memory is still 187.7 MB. Free memory was 149.4 MB in the beginning and 170.3 MB in the end (delta: -20.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-06-16 23:36:28,607 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.43 ms. Allocated memory is still 187.7 MB. Free memory was 170.3 MB in the beginning and 168.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 23:36:28,608 INFO L168 Benchmark]: Boogie Preprocessor took 14.74 ms. Allocated memory is still 187.7 MB. Free memory was 168.7 MB in the beginning and 167.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 23:36:28,610 INFO L168 Benchmark]: RCFGBuilder took 265.56 ms. Allocated memory is still 187.7 MB. Free memory was 167.6 MB in the beginning and 153.5 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-16 23:36:28,610 INFO L168 Benchmark]: TraceAbstraction took 471.45 ms. Allocated memory is still 187.7 MB. Free memory was 153.0 MB in the beginning and 132.5 MB in the end (delta: 20.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-06-16 23:36:28,614 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 187.7 MB. Free memory is still 168.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 210.66 ms. Allocated memory is still 187.7 MB. Free memory was 149.4 MB in the beginning and 170.3 MB in the end (delta: -20.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 24.43 ms. Allocated memory is still 187.7 MB. Free memory was 170.3 MB in the beginning and 168.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.74 ms. Allocated memory is still 187.7 MB. Free memory was 168.7 MB in the beginning and 167.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 265.56 ms. Allocated memory is still 187.7 MB. Free memory was 167.6 MB in the beginning and 153.5 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 471.45 ms. Allocated memory is still 187.7 MB. Free memory was 153.0 MB in the beginning and 132.5 MB in the end (delta: 20.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 55, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 45, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 45, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 45, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 40, unknown conditional: 0, unknown unconditional: 40] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 10 - PositiveResult [Line: 34]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 24]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 33 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 395.1ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.0ms, PartialOrderReductionTime: 105.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.8ms SsaConstructionTime, 19.9ms SatisfiabilityAnalysisTime, 48.7ms InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...